Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 62

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

fr.smartbuyglasses.be

Opticien en ligne | Lunettes de Soleil et de Vue | SmartBuyGlasses

Page Load Speed

3.4 sec in total

First Response

746 ms

Resources Loaded

2.4 sec

Page Rendered

233 ms

fr.smartbuyglasses.be screenshot

About Website

Visit fr.smartbuyglasses.be now to see the best up-to-date Fr Smart Buy Glasses content for Belgium and also check out these interesting facts you probably never knew about fr.smartbuyglasses.be

Lunettes de Soleil ☼ et Lunettes de Vue à des prix imbattables ! ✓Livraison offerte ✓Kit Optique Offert ✓Essai en ligne ✓180 grandes marques ✓80000 modèles

Visit fr.smartbuyglasses.be

Key Findings

We analyzed Fr.smartbuyglasses.be page load time and found that the first response time was 746 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

fr.smartbuyglasses.be performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value5.3 s

59/100

10%

TBT (Total Blocking Time)

Value2,440 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value16.8 s

5/100

10%

Network Requests Diagram

fr.smartbuyglasses.be

746 ms

jquery.min.js

13 ms

typeahead.jquery.min.js

11 ms

hogan.min.js

22 ms

algoliasearch.min.js

23 ms

Our browser made a total of 117 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Fr.smartbuyglasses.be, 50% (59 requests) were made to 7fe5adea5c04a064d14a-aa57143e2ca30795bf94ff3884a3b19b.r99.cf1.rackcdn.com and 11% (13 requests) were made to 84654884b68f749e7aa3-aa57143e2ca30795bf94ff3884a3b19b.ssl.cf1.rackcdn.com. The less responsive or slowest element that took the longest time to load (768 ms) relates to the external source 7fe5adea5c04a064d14a-aa57143e2ca30795bf94ff3884a3b19b.r99.cf1.rackcdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.9 MB (65%)

Content Size

3.0 MB

After Optimization

1.0 MB

In fact, the total size of Fr.smartbuyglasses.be main page is 3.0 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Javascripts take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 406.2 kB

  • Original 461.9 kB
  • After minification 438.6 kB
  • After compression 55.7 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 406.2 kB or 88% of the original size.

Image Optimization

-11%

Potential reduce by 78.2 kB

  • Original 679.8 kB
  • After minification 601.7 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, Fr Smart Buy Glasses needs image optimization as it can save up to 78.2 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-75%

Potential reduce by 935.4 kB

  • Original 1.2 MB
  • After minification 977.4 kB
  • After compression 308.7 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 935.4 kB or 75% of the original size.

CSS Optimization

-86%

Potential reduce by 490.9 kB

  • Original 568.6 kB
  • After minification 498.9 kB
  • After compression 77.7 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Fr.smartbuyglasses.be needs all CSS files to be minified and compressed as it can save up to 490.9 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 44 (42%)

Requests Now

104

After Optimization

60

The browser has sent 104 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Fr Smart Buy Glasses. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

fr.smartbuyglasses.be accessibility score

62

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

fr.smartbuyglasses.be best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

fr.smartbuyglasses.be SEO score

84

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Fr.smartbuyglasses.be can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Fr.smartbuyglasses.be main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph description is not detected on the main page of Fr Smart Buy Glasses. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: